Linux Lsof Command Tutorial With Examples

Lsof is linux command used for output files and processes related information. lsof support different type of file formats like regular file, directory, block special file...

What Is TCP/IP Model?

Internet started long days ago. But in the first years it was not popular as today. From technical perspective there are some difficulties which prevents...

Introduction To Nmap Network Scanning

Nmap is very popular tool amongst network and system administrators and pentesters. As a pentester I generally start a penetration test with nmap. Nmap simply...

What Is Windows Sysinternal?

Windows experts named Mark Russinovich and Bryce Cogswell have started writing simple but useful tools in 1996. They are provided these tool in those books...